DNS Tools

Free, fast DNS diagnostic tools. Query records, check propagation, validate DNSSEC, and audit domain health — all from your browser.

DNS Lookup

Query any DNS record type for a domain. Returns real-time results formatted like dig output.

Check A, MX, TXT, or any record for a domain

Monitor how DNS changes propagate across global nameservers in real time.

Verify DNS changes after updating records

Look up domain registration details via RDAP including registrar, dates, and nameservers.

Find who owns a domain and when it expires

Comprehensive health analysis of a domain's DNS configuration, email auth, and DNSSEC.

Full audit of records, DNSSEC, SPF, DKIM, DMARC

Validate the DNSSEC chain of trust from root to domain with visual chain analysis.

Verify DNSSEC is correctly deployed end-to-end

Learn the fundamentals before diving into the tools. Our docs cover everything from basic resolution to DNSSEC.